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Christoph PurrerandFacebook GitHub Bot
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Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/35098 Changelog: [General][Fixed] [react-native-codegen] react-native-codegen : Add Map / indexed object support for TypeScript parser In flow we can expose Maps via the following syntax in TM specs ` +getMap: (arg: {[key: string]: ?number}) => {[key: string]: ?number}; ` In TypeScript writing the same spec: ` readonly getMap: (arg: { [key: string]: number | null; }) => { [key: string]: number | null; }; ` leads to an exception the TypeScript code-gen parser ```UnsupportedObjectPropertyTypeAnnotationParserError: Module NativeTurboModuleCxx: 'ObjectTypeAnnotation' cannot contain 'TSIndexSignature'. at react-native-github/packages/react-native-codegen/src/parsers/typescript/modules/index.js:309:23``` ``` This change fixes the TypeScript parser Reviewed By: cipolleschi Differential Revision: D40753368 fbshipit-source-id: 0eef8ecb63d1ed049fde1e75cc6f2ec627f1f232
react-native-codegen
Installation
yarn add --dev react-native-codegen
Note: We're using yarn to install deps. Feel free to change commands to use npm 3+ and npx if you like
Testing
To run the tests in this package, run the following commands from the react Native root folder:
yarnto install the dependencies. You just need to run this onceyarn jest react-native-codegen.